package com.github;

/**
 * @author ste7en.liu@gmail.com
 * @since 2017/10/23
 */
public class A {

    private B b;

    public A() {
    }

    public A(B b) {
        this.b = b;
    }

    public void setB(B b) {
        this.b = b;
    }
}
